California earthquakes

M3.0 earthquake 20 km S of Avenal, California

A magnitude 3.0 earthquake struck 20 km S of Avenal, California on Tue, May 19, 1981, 3:33 AM PDT (10:33 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.5 22 km W of Three Rocks, California. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.0 (md), minor
Local time
UTC
1981-05-19 10:33:10 UTC
Depth
12.4 km (7.7 mi), shallow
Epicenter
35.823° N, 120.113° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 1.5 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
250°, poorly surrounded by stations
Stations used
25

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 59 in the 60 days after this one and 28 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1063782 (also filed as ci516310). Read Tue, Sep 22, 2026, 10:27 PM UTC.